Finding the Fourth Proportional to 641,591.99, 885,594.06 and 369,841.55
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Solution
The fourth proportional to 641,591.99, 885,594.06 and 369,841.55 is: 510,494.96
Step by Step Solution
- Step 1: Write the proportion equation
641,591.99 : 885,594.06 = 369,841.55 : x - Step 2: Convert to fraction form
641,591.99/885,594.06 = 369,841.55/x - Step 3: Cross multiply
641,591.99x = 885,594.06 × 369,841.55 - Step 4: Simplify right side
641,591.99x = 327,529,475,393.22 - Step 5: Solve for x
x = 327,529,475,393.22/641,591.99 - Step 6: Final answer
x = 510,494.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.